CN111140445A - Gas-steam combined cycle cooling, heating and power multi-energy combined supply system - Google Patents

Gas-steam combined cycle cooling, heating and power multi-energy combined supply system Download PDF

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Publication number
CN111140445A
CN111140445A CN201911357438.4A CN201911357438A CN111140445A CN 111140445 A CN111140445 A CN 111140445A CN 201911357438 A CN201911357438 A CN 201911357438A CN 111140445 A CN111140445 A CN 111140445A
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China
Prior art keywords
gas
steam
heating
power
generator
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Pending
Application number
CN201911357438.4A
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Chinese (zh)
Inventor
何理
王治亚
张诗悦
颜鹏东
焦蒙蒙
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Tianjin University
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Tianjin University
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Priority to CN201911357438.4A priority Critical patent/CN111140445A/en
Publication of CN111140445A publication Critical patent/CN111140445A/en
Pending legal-status Critical Current

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03G—SPRING, WEIGHT, INERTIA OR LIKE MOTORS; MECHANICAL-POWER PRODUCING DEVICES OR MECHANISMS, NOT OTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISE PROVIDED FOR
    • F03G6/00—Devices for producing mechanical power from solar energy
    • F03G6/06—Devices for producing mechanical power from solar energy with solar energy concentrating means
    • F03G6/064—Devices for producing mechanical power from solar energy with solar energy concentrating means having a gas turbine cycle, i.e. compressor and gas turbine combination
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D15/00—Adaptations of machines or engines for special use; Combinations of engines with devices driven thereby
    • F01D15/10—Adaptations for driving, or combinations with, electric generators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
    • F01K11/00—Plants characterised by the engines being structurally combined with boilers or condensers
    • F01K11/02—Plants characterised by the engines being structurally combined with boilers or condensers the engines being turbines
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
    • F01K23/00—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids
    • F01K23/02—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids the engine cycles being thermally coupled
    • F01K23/06—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids the engine cycles being thermally coupled combustion heat from one cycle heating the fluid in another cycle
    • F01K23/10—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids the engine cycles being thermally coupled combustion heat from one cycle heating the fluid in another cycle with exhaust fluid of one cycle heating the fluid in another cycle
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
    • F02C6/00—Plural gas-turbine plants; Combinations of gas-turbine plants with other apparatus; Adaptations of gas- turbine plants for special use
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22—STEAM GENERATION
    • F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
    • F22B33/00—Steam-generation plants, e.g. comprising steam boilers of different types in mutual association
    • F22B33/18—Combinations of steam boilers with other apparatus
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D3/00—Hot-water central heating systems
    • F24D3/02—Hot-water central heating systems with forced circulation, e.g. by pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S20/00—Solar heat collectors specially adapted for particular uses or environments
    • F24S20/40—Solar heat collectors combined with other heat sources, e.g. using electrical heating or heat from ambient air
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B15/00—Sorption machines, plants or systems, operating continuously, e.g. absorption type
    • F25B15/02—Sorption machines, plants or systems, operating continuously, e.g. absorption type without inert gas
    • F25B15/06—Sorption machines, plants or systems, operating continuously, e.g. absorption type without inert gas the refrigerant being water vapour evaporated from a salt solution, e.g. lithium bromide
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/62—Absorption based systems
    • Y02B30/625—Absorption based systems combined with heat or power generation [CHP], e.g. trigeneration
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/40—Solar thermal energy, e.g. solar towers
    • Y02E10/46—Conversion of thermal power into mechanical power, e.g. Rankine, Stirling or solar thermal engines
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E20/00—Combustion technologies with mitigation potential
    • Y02E20/16—Combined cycle power plant [CCPP], or combined cycle gas turbine [CCGT]

Abstract

The combined cooling, heating and power system with combined gas-steam circulation includes gas power generating system and steam power generating system; the gas power generation system comprises a gas turbine, a first generator, a lithium bromide refrigeration system and a first inverter, wherein the gas turbine drives the first generator to generate power, electric energy generated by the first generator is supplied to a power grid through the first inverter, a gas turbine exhaust pipe is communicated with a cooling branch and a heating branch through a first flow control device, and the lithium bromide refrigeration system is installed on the cooling branch; the condensed water of the condenser is returned to the exhaust-heat boiler through the first water pump, and the gas is communicated with the gas turbine and the exhaust-heat boiler through the gas pipe. The invention can combine solar heat, fuel gas and steam to realize a multi-energy combined supply system integrating power supply, heat supply and cold supply.

Description

Gas-steam combined cycle cooling, heating and power multi-energy combined supply system
Technical Field
The invention relates to a combined cooling heating and power system, in particular to a combined cooling, heating and power system with solar-assisted gas-steam combined cycle.
Background
Solar thermal power generation is realized by converting solar radiation into heat energy by using a solar light-gathering heat collector and then converting the heat energy into electric energy for users to use through different ways. Because solar energy has the characteristics of instability and discontinuity, in order to ensure the continuous and stable operation of the system, the solar energy is combined with other energy sources, and when the solar energy is insufficient, the energy sources are supplied by other energy sources, so that a solar energy auxiliary energy supply system is formed.
The gas-steam combined cycle means that a gas turbine and a steam power plant are combined for use, and has great significance for improving the heat energy utilization rate. One of the gas-steam combined cycle device is that air is compressed by a compressor and enters a fuel chamber to be combusted together with fuel, the generated high-temperature gas enters a gas turbine to do work, the flue gas discharged by the gas turbine is discharged after partial heat is recovered by a waste heat boiler, and the steam generated by the waste heat boiler can drive an auxiliary machine or be used for heating and living. The exhausted steam of the steam turbine is discharged into a condenser, and the condensed water of the steam turbine returns to the boiler after passing through a heater. The waste heat boiler can be divided into a scheme with afterburning and a scheme without afterburning, and the scheme system without afterburning is simpler, but the power of a steam turbine is lower. With the afterburning approach, steam turbine power can be increased as needed, but the system is more complex.
Disclosure of Invention
The invention provides a combined cooling heating and power system with combined gas-steam cycle, which combines solar heat, gas and steam to realize a combined cooling and heating system with integrated power supply, heat supply and cooling.
In order to solve the above problems, the technical solution to be solved by the present invention is:
the combined cooling, heating and power system with combined gas-steam circulation includes gas power generating system and steam power generating system;
the gas power generation system comprises a gas turbine, a first generator, a lithium bromide refrigeration system and a first inverter, wherein the gas turbine drives the first generator to generate power, electric energy generated by the first generator is supplied to a power grid through the first inverter, a gas turbine exhaust pipe is communicated with a cooling branch and a heating branch through a first flow control device, and the lithium bromide refrigeration system is installed on the cooling branch;
the steam power generation system comprises a waste heat boiler, a steam turbine, a second power generator, a second inverter, a flue gas treatment device and a condenser, wherein the waste heat boiler and the flue gas treatment device are sequentially installed on a heat supply branch, the waste heat boiler drives the steam turbine, the steam turbine drives the second power generator to generate power, electric energy generated by the power generator is supplied to a power grid through the second inverter, exhaust steam of the steam turbine is discharged into the condenser, condensed water of the condenser is returned to the waste heat boiler through a first water pump, and fuel gas is communicated with the gas turbine and the waste heat boiler through a gas pipe.
Still include solar energy air preheating system, solar energy air preheating system includes solar heat absorber, second flow control device, compressor and fuel, and the air is sent into the fuel through the compressor, and solar heat absorber one end switch-on fuel, and the other end is put through with the compressor blast pipe through second flow control device, and the gas passes through gas pipe intercommunication fuel.
Still include heating circulation system, heating circulation system includes heating return water house steward and moisturizing pipe, and moisturizing pipe one end intercommunication heating return water house steward installs on heating return water house steward at storage water tank, heat exchanger, second water pump and peak boiler, installs chemical water purification unit, third water pump and moisturizing oxygen-eliminating device on the moisturizing pipe, and gas turbine blast pipe switch-on heat exchanger cools off water runoff condenser in the return water house steward.
The invention has the technical effects that: the invention combines a solar air preheating system with a gas-steam combined cycle device; the solar air preheating system converts solar radiation into heat energy, so that the consumption of fuel and the emission of polluted gas are effectively reduced; the high-temperature exhaust of the gas turbine can be used for utilizing the waste heat of the boiler, and heat supply or cold supply can be selected according to different requirements, so that the cascade utilization of energy is realized; the invention utilizes the waste heat of gas power generation, steam power generation and a waste heat boiler in multiple stages, realizes the combined supply of cold, heat and electricity, transmits electricity to a power grid, optimizes the energy utilization and effectively improves the system efficiency.
Drawings
The invention is further described below with reference to the accompanying drawings:
FIG. 1 is a schematic diagram of one embodiment of the present invention.
In the figure: the system comprises a first inverter 1, a second inverter 2, a flue gas treatment device 3, a solar heat absorber 4, a second flow control device 5, a gas compressor 6, a fuel chamber 7, a gas turbine 8, a waste heat boiler 9, a steam turbine 10, a first generator 11, a second generator 12, a lithium bromide refrigeration system 13, a first flow control device 14, a condenser 15, a first water pump 16, a water storage tank 17, a heat exchanger 18, a water replenishing deaerator 19, a third water pump 20, a chemical water purification treatment device 21, a peak boiler 22 and a second water pump 23.
Detailed Description
As shown in fig. 1, the combined cooling heating and power system with combined gas-steam cycle comprises a gas power generation system and a steam power generation system;
the gas power generation system comprises a gas turbine 8, a first generator 11, a lithium bromide refrigeration system 13 and a first inverter 1, wherein the gas turbine 8 drives the first generator 11 to generate electricity, the electric energy generated by the first generator 11 is supplied to a power grid through the first inverter 1, an exhaust pipe of the gas turbine 8 is communicated with a cooling branch and a heating branch through a first flow control device 14, and the lithium bromide refrigeration system 13 is arranged on the cooling branch;
the steam power generation system comprises a waste heat boiler 9, a steam turbine 10, a second generator 12, a second inverter 2, a flue gas treatment device 3 and a condenser 15, the waste heat boiler 9 and the flue gas treatment device 3 are sequentially installed on a heat supply branch, flue gas discharged by the waste heat boiler 9 is used for low-temperature hot water supply or heating, the waste heat boiler 9 drives the steam turbine 10, the steam turbine 10 drives the second generator 12 to generate electricity, electric energy generated by the generator is supplied to a power grid through the second inverter 2, exhaust steam of the steam turbine is discharged into the condenser 15, condensed water of the condenser 15 is returned to the waste heat boiler 9 through a first water pump 16, and gas is communicated with the gas turbine 8 and the waste heat boiler 9 through a gas pipe.
The working process of the invention is as follows: after the gas turbine 8 is started, the gas turbine 8 drives the electric energy generated by the first generator 11 to be supplied to a power grid through the first inverter 1, tail gas discharged by the gas turbine 8 enters a cold supply branch and a heat supply branch, and the tail gas entering the cold supply branch generates cold air through the lithium bromide refrigerating system 13 and is sent to an indoor cold air nozzle for cooling; tail gas gets into exhaust-heat boiler 9 and retrieves tail gas part heat on getting into the heat supply branch road, and exhaust-heat boiler 9 burns the gas and supplements retrieving the not enough heat of tail gas simultaneously, and exhaust-heat boiler 9 exhaust flue gas gets into flue gas processing apparatus 3, sets up the heating pipe of retrieving the flue gas heat in the flue gas processing apparatus 3 for heat supply water or heating. Steam generated by the waste heat boiler 9 drives the steam turbine 10 to do work, drives the second generator 12 to generate electricity, and generates electric energy which is supplied to a power grid through the second inverter 2; exhaust steam of the steam turbine is discharged into a condenser 15, and condensed water of the condenser 15 is returned to the waste heat boiler 9 through a first water pump 16 so as to be recycled.
When the demand for cooling is large in summer, the first flow control device 14 (the flow control device can be a one-inlet two-outlet three-way valve) is used for increasing the flow between the exhaust smoke of the gas turbine 8 and the lithium bromide refrigerating system 13, so that the refrigerating capacity is increased. When the heating demand is met in winter, the flue gas conveying on the heating branch is closed, the refrigeration is stopped, the flue gas enters the heating branch, and the waste heat boiler 9 recovers partial heat of the tail gas.
Still include solar energy air preheating system, solar energy air preheating system includes solar heat absorber 4, second flow control device 5, compressor 6 and fuel room 7, and the air sends into fuel room 7 through compressor 6, and solar heat absorber 4 one end switch-on fuel room 7, and second flow control device 5 and 6 blast pipes switch-on of compressor are passed through to other one end, and the gas passes through gas pipe intercommunication fuel room 7.
Air passes through the air compressor 6 and then is sent into the solar heat absorber 4 and the fuel chamber 7, and the air flow is controlled by the second flow control device 5; when the solar energy is sufficient, the compressed air is preheated by the solar heat absorber 4 and then enters the fuel chamber 7, so that the initial temperature of combustion air is increased, and the consumption of fuel gas is reduced; when solar energy is insufficient or absent, part or all of the compressed air enters the fuel chamber 7, is mixed with gas for combustion, and then enters the gas turbine 8 for expansion to do work.
Still include heating circulation system, heating circulation system includes heating return water house steward and moisturizing pipe, and moisturizing pipe one end intercommunication heating return water house steward installs on the heating return water house steward at storage water tank 17, heat exchanger 18, second water pump 23 and peak boiler 22, installs chemistry water purification unit 21, third water pump 20 and moisturizing oxygen-eliminating device 19 on the moisturizing pipe, and 8 blast pipes of gas turbine switch-on heat exchanger 18, cooling water runoff condenser 15 in the moisturizing house steward.
Water is treated by a chemical water purification device 21, a third water pump 20 and a water supplementing deaerator 19 and then is sent into a water storage tank 17 to supplement water in the water storage tank 17, cooling water pumped by a second water pump 23 into the water storage tank 17 is sent into a heat exchanger 18 after entering a condenser 15, the water temperature rises, and then the cooling water enters a peak boiler 22 and is sent to a heating system, wherein the peak boiler 22 is put into operation at the peak of heat load and is used for heating the water to a specified heating temperature.

Claims (3)

1. The combined cooling heating and power system of gas-steam combined cycle, its characterized in that: the system comprises a gas power generation system and a steam power generation system;
the gas power generation system comprises a gas turbine (8), a first generator (11), a lithium bromide refrigeration system (13) and a first inverter (1), the gas turbine (8) drives the first generator (11) to generate power, electric energy generated by the first generator (11) is supplied to a power grid through the first inverter (1), an exhaust pipe of the gas turbine (8) is communicated with a cooling branch and a heating branch through a first flow control device (14), and the lithium bromide refrigeration system (13) is installed on the cooling branch;
steam power generation system includes exhaust-heat boiler (9), steam turbine (10), second generator (12), second inverter (2), flue gas processing apparatus (3) and condenser (15), exhaust-heat boiler (9) and flue gas processing apparatus (3) are installed in proper order on the heat supply road, exhaust-heat boiler (9) drive steam turbine (10), steam turbine (10) drive second generator (12) electricity generation, and the electric energy that the generator produced supplies with the electric wire netting through second inverter (2), exhaust steam of steam turbine discharges into condenser (15), condenser (15) condensate water is returned through first water pump (16) to exhaust-heat boiler (9), the gas is through gas pipe intercommunication gas turbine (8) and exhaust-heat boiler (9).
2. The gas-steam combined cycle combined cooling heating and power system according to claim 1, wherein: still include solar energy air preheating system, solar energy air preheating system includes solar heat absorber (4), second flow control device (5), compressor (6) and fuel room (7), and the air is sent into fuel room (7) through compressor (6), and solar heat absorber (4) one end switch-on fuel room (7), and second flow control device and compressor (6) blast pipe switch-on are passed through to other one end, and the gas passes through gas pipe intercommunication fuel room (7).
3. The gas-steam combined cycle combined cooling heating and power system according to claim 1, wherein: still include heating circulation system, heating circulation system includes heating return water house steward and moisturizing pipe, and moisturizing pipe one end intercommunication heating return water house steward installs on the heating return water house steward at storage water tank (17), heat exchanger (18), second water pump (23) and peak boiler (22), installs chemical water purification unit (21), third water pump (20) and moisturizing oxygen-eliminating device (19) on the moisturizing pipe, and gas turbine (8) blast pipe switch-on heat exchanger (18), cooling water runoff condenser (15) in the moisturizing house steward.
CN201911357438.4A 2019-12-25 2019-12-25 Gas-steam combined cycle cooling, heating and power multi-energy combined supply system Pending CN111140445A (en)

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Application Number Priority Date Filing Date Title
CN201911357438.4A CN111140445A (en) 2019-12-25 2019-12-25 Gas-steam combined cycle cooling, heating and power multi-energy combined supply system

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Application Number Priority Date Filing Date Title
CN201911357438.4A CN111140445A (en) 2019-12-25 2019-12-25 Gas-steam combined cycle cooling, heating and power multi-energy combined supply system

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Publication number Priority date Publication date Assignee Title
CN111928219A (en) * 2020-09-29 2020-11-13 国网（天津）综合能源服务有限公司 Distributed combined cooling heating and power system utilizing gas and complementary solar energy
CN112484218A (en) * 2020-11-30 2021-03-12 珠海卡洛斯工程咨询有限公司 Heat pump air conditioner device for sterilizing and killing new corona virus at high temperature in building and closed space and application thereof
CN113758289A (en) * 2021-09-15 2021-12-07 湖南金业环保科技有限公司 Smelting furnace waste heat recovery system and method for recycling solid waste
CN117190540A (en) * 2023-11-07 2023-12-08 江苏河海城市节能研究院有限公司 Waste heat recovery system of heat source plant

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CN106215682A (en) * 2016-08-05 2016-12-14 东南大学 A kind of CO towards Gas Generator Set heating-cooling-power cogeneration system2method for catching
CN106765155A (en) * 2017-01-25 2017-05-31 云南水务投资股份有限公司 A kind of urban garbage disposal factory oversize disposal system and method for disposal
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Publication number Priority date Publication date Assignee Title
CN101655078A (en) * 2009-08-19 2010-02-24 东南大学 Solar combined power generating device and method
CN202867001U (en) * 2012-09-11 2013-04-10 上海中科高等研究院 Distributed cooling, heating and power combined supply system for small-sized combustion gas turbines
CN103206697A (en) * 2013-04-12 2013-07-17 凤阳海泰科能源环境管理服务有限公司 Cooling, heating, power supplying and water supplying combined device capable of utilizing waste heat of flue gas of gas turbine
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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111928219A (en) * 2020-09-29 2020-11-13 国网（天津）综合能源服务有限公司 Distributed combined cooling heating and power system utilizing gas and complementary solar energy
CN112484218A (en) * 2020-11-30 2021-03-12 珠海卡洛斯工程咨询有限公司 Heat pump air conditioner device for sterilizing and killing new corona virus at high temperature in building and closed space and application thereof
CN113758289A (en) * 2021-09-15 2021-12-07 湖南金业环保科技有限公司 Smelting furnace waste heat recovery system and method for recycling solid waste
CN113758289B (en) * 2021-09-15 2023-11-10 湖南金业环保科技有限公司 Smelting furnace waste heat recovery system and method for recycling solid waste
CN117190540A (en) * 2023-11-07 2023-12-08 江苏河海城市节能研究院有限公司 Waste heat recovery system of heat source plant
CN117190540B (en) * 2023-11-07 2024-02-23 江苏河海城市节能研究院有限公司 Waste heat recovery system of heat source plant

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